PHOENIX GOLD RSD10D VS Dayton HO 10"?

Anyone have any experience with the PHOENIX GOLD RSD10D and the Dayton HO 10" subs? I'm trying to decide which would be better for SQ for a small enclosure in the .55-.8 range for my Crew Cab truck. Also which would excel at being ported or would it be best to run them sealed?

Either one or the pair will be powered by a PG 1200:1 mono amp, so about 500watts RMS.